UV Index
UV Index
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Today's UV index in Ulan Bator, Mongolia 
will be up to 1.1, indicating a low level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in Ulan Bator, reaching up to 1.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Ulan Bator, Mongolia has one of the highest UV indexes in the world. In summer, the index can reach extreme levels, posing a risk for eye and skin damage.
The city experiences four distinct seasons. Winters are long, cold, and dry, with temperatures dropping as low as -40°C. Spring is short and windy, followed by a warm and sunny summer with occasional showers. Autumn is crisp and cool, with temperatures dropping quickly as winter approaches.
Compared to its region and neighboring countries, Ulan Bator's climate is extreme. The city is the coldest capital in the world, colder than Moscow, Helsinki, or Ottawa. Its summer temperatures, however, are similar to those in neighboring countries such as China and Russia. The city's high altitude and inland location contribute to its extreme climate.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Ulan Bator. It's designed to provide you with a better understanding of the yearly weather and sun exposure.